@MASTERSTHESIS{ycsms,
  author = {杨春山},
  title = {基于C形臂的锥束CT成像系统关键技术研究},
  school = {东南大学},
  year = {2011},
  page = {1.}，
}
@article{spper2002patholoy,
  title={Patholoy of hepatocellular carcinoma and its precursors using proton magnetic resonance spectroscopy and a statistical classification strategy},
  author={Spper, R. and Himmelreich, U. and Painter, D. and others},
  journal={Pathology},
  volume={34},
  number={5},
  pages={417--422},
  year={2002},
  publisher={万方数据资源系统}
}

